the chancel ( where the altar would have been located ) . there are no window openings on the north side , but there is a blocked opening to the east ( about 5 feet ( 1 @ . @ 5 m ) wide ) and there are the remains of a window on the south wall . there is a blocked window in the south wall of the south chapel . the vault , which is about 27 square feet ( 2 @ . @ 5 m2 ) , is reached by stone steps from inside the south chapel . limestone slabs form the roof of the vault and the floor of the chapel above . a stone in the nave , about 2 square feet (
the chancel ( where the altar would have been located ). there are no window openings on the north side, but there is a blocked opening to the east ( about 5 feet ( 1 @. @ 5 m ) wide ) and there are the remains of a window on the south wall. there is a blocked window in the south wall of the south chapel. the vault, which is about 27 square feet ( 2 @. @ 5 m2 ), is reached by stone steps from inside the south chapel. limestone slabs form the roof of the vault and the floor of the chapel above. a stone in the nave, about 2 square feet (